| 标准编号 | EN ISO 7971-2-2009 |
| 标准名称 | Cereals - Determination of bulk density, called mass per hectolitre - Part 2: Method of traceability for measuring instruments through reference to the international standard instrument |
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| 标准状态 | |
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| 批准文号 | |
| 发布日期 | 2009-08-15 |
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| 前言 | |
| 无 |
